diff --git a/src/sas/qtgui/convertUI.py b/src/sas/qtgui/convertUI.py
index bc1e06f4fc..bb402af8f7 100644
--- a/src/sas/qtgui/convertUI.py
+++ b/src/sas/qtgui/convertUI.py
@@ -24,7 +24,7 @@ def pyrrc(in_file, out_file):
     """
     Run the qt resource compiler
     """
-    run_line = f"PySide6-rcc {in_file} -o {out_file}"
+    run_line = f"pyside6-rcc {in_file} -o {out_file}"
     os.system(run_line)
 
 
@@ -34,7 +34,7 @@ def pyuic(in_file, out_file):
     """
     in_file2 = os.path.abspath(in_file)
     out_file2 = os.path.abspath(out_file)
-    run_line = "PySide6-uic " + in_file2 + " -o " + out_file2
+    run_line = "pyside6-uic " + in_file2 + " -o " + out_file2
     os.system(run_line)
 
 def file_in_newer(file_in, file_out):